EP2323250A3 - Motor control unit and vehicle steering system - Google Patents

Motor control unit and vehicle steering system Download PDF

Info

Publication number
EP2323250A3
EP2323250A3 EP10190867.1A EP10190867A EP2323250A3 EP 2323250 A3 EP2323250 A3 EP 2323250A3 EP 10190867 A EP10190867 A EP 10190867A EP 2323250 A3 EP2323250 A3 EP 2323250A3
Authority
EP
European Patent Office
Prior art keywords
steering torque
detected steering
control unit
detected
motor control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10190867.1A
Other languages
German (de)
French (fr)
Other versions
EP2323250B1 (en
EP2323250A2 (en
Inventor
Yuji Kariatsumari
Terutaka Tamaizumi
Yoshinobu Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JTEKT Corp
Original Assignee
JTEKT Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JTEKT Corp filed Critical JTEKT Corp
Publication of EP2323250A2 publication Critical patent/EP2323250A2/en
Publication of EP2323250A3 publication Critical patent/EP2323250A3/en
Application granted granted Critical
Publication of EP2323250B1 publication Critical patent/EP2323250B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
    • B62D5/046—Controlling the motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
    • B62D5/046—Controlling the motor
    • B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S901/00—Robots
    • Y10S901/30—End effector
    • Y10S901/41—Tool
    • Y10S901/42—Welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Power Steering Mechanism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

A motor control unit (5) includes a detected steering torque correction unit (40) that corrects the detected steering torque (TL) that is detected by a torque sensor (1) and then subjected to a limitation process by a steering torque limiter (20). When the absolute value (|TL|) of the detected steering torque (TL) is equal to or smaller than a predetermined value (a) (|TL| ≤ a), the detected steering torque correction unit (40) corrects the detected steering torque (TL) to 0. When the absolute value (|TL|) of the detected steering torque (TL) is larger than the predetermined value (a) (|TL| > a), the detected steering torque correction unit (40) outputs the detected steering torque (TL) without correction. A PI control unit (23) calculates the addition angle (α) based on the deviation of the control torque (T) obtained through correction by the detected steering torque correction unit (40) from the command steering torque (T*).
EP10190867.1A 2009-11-12 2010-11-11 Motor control unit and vehicle steering system Not-in-force EP2323250B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009258962A JP5532295B2 (en) 2009-11-12 2009-11-12 Motor control device and vehicle steering device

Publications (3)

Publication Number Publication Date
EP2323250A2 EP2323250A2 (en) 2011-05-18
EP2323250A3 true EP2323250A3 (en) 2016-05-25
EP2323250B1 EP2323250B1 (en) 2017-04-26

Family

ID=43726599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10190867.1A Not-in-force EP2323250B1 (en) 2009-11-12 2010-11-11 Motor control unit and vehicle steering system

Country Status (3)

Country Link
US (1) US8855858B2 (en)
EP (1) EP2323250B1 (en)
JP (1) JP5532295B2 (en)

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EP2591942B1 (en) * 2011-11-11 2015-02-25 Volvo Car Corporation Arrangement and method for safeguarding driver attentiveness
JP6058214B2 (en) * 2014-04-25 2017-01-11 三菱電機株式会社 Steering control device and steering assist torque control method thereof
JP2016215906A (en) 2015-05-22 2016-12-22 株式会社ジェイテクト Steering support device
FR3037671B1 (en) * 2015-06-19 2017-06-16 Jtekt Europe Sas USING A PHASE ADVANCE FILTER TO SEPARATE THE SPRING ADJUSTMENT FROM THE STEERING WHEEL ADJUSTING THE STABILITY OF AN ASSISTED STEERING CONTROL
GB2549328A (en) * 2016-04-15 2017-10-18 Jaguar Land Rover Ltd Vehicle steering system
JP6809093B2 (en) * 2016-09-29 2021-01-06 株式会社デンソー Motor control device and electric power steering device using it
CN108336938B (en) * 2017-01-19 2021-10-22 德昌电机(深圳)有限公司 Pressure control device, system and method
CN110729933B (en) * 2018-07-17 2021-06-08 中车株洲电力机车研究所有限公司 Asynchronous modulation-based alternating current motor torque control method and system
JP7247508B2 (en) * 2018-09-28 2023-03-29 日本電産株式会社 Steering control device and power steering device
JP2020090168A (en) * 2018-12-05 2020-06-11 株式会社デンソー Electric power steering device
JP2020131783A (en) * 2019-02-14 2020-08-31 日立オートモティブシステムズ株式会社 Steering control device
CN114248831A (en) * 2020-09-25 2022-03-29 本田技研工业株式会社 Electric power steering apparatus

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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19837665A1 (en) * 1997-08-27 1999-03-04 Honda Motor Co Ltd Electric servo steering arrangement for motor vehicle
EP2026458A1 (en) * 2006-05-31 2009-02-18 NSK Ltd. Electric power steering device

Also Published As

Publication number Publication date
JP2011109733A (en) 2011-06-02
JP5532295B2 (en) 2014-06-25
EP2323250B1 (en) 2017-04-26
US20110112724A1 (en) 2011-05-12
US8855858B2 (en) 2014-10-07
EP2323250A2 (en) 2011-05-18

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